Installing Windows Server 2003 x64 Editions D-25About Windows ActivationWindows Server 2003 x64 Editions must be activated before you can use Windows Server 2003 x64Editions.Windows activation process is as follows.1. Click [Run] on [Start] menu.Type as follows in the [Open:] box, and click [OK].oobe/msoobe /a2. When the screen as follows is displayed, click [Next].